/* MifareKeyCracker
 *
 * Copyright (C) 2011 by Radoslaw '[roscoe]' Matusiak <radoslaw.matusiak@google.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 */

package pl.cyberdev.mifarekeycracker;

public final class CardFactory {

    private static volatile CardFactory instance = null;

    private CardFactory() {
    }

    public static CardFactory getInstance() {
        if (instance == null) {
            synchronized(CardFactory.class) {
                if (instance == null) {
                    instance = new CardFactory();
                }
            }
        }

        return instance;
    }

    public ICard getCard(byte[] pollingResult) {
        return new BasicCard(pollingResult);
    }

    @Override
    protected Object clone() {
        throw new UnsupportedOperationException();
    }
    
}
